Fourier transform infrared spectral features of plant biomass components during cotton organ development and their biological implications

Table 1 The normalized intensities of six ATR FT-IR bands of the plant biomass from the reproductive stage. Data are presented as average ± standard deviation (n = 4)

	I_1 730	I_1 620	I_1 525	I_1 235	I_1 050	I₈₉₅
Reproductive	0.36 ± 0.00	0.79 ± 0.02	0.62 ± 0.02	0.89 ± 0.01	1.36 ± 0.02	0.90 ± 0.01
Leaf blade	0.34 ± 0.00	1.00 ± 0.02	0.91 ± 0.02	0.92 ± 0.01	1.17 ± 0.02	0.76 ± 0.01
Petiole	0.41 ± 0.01	0.67 ± 0.02	0.49 ± 0.01	0.85 ± 0.00	1.48 ± 0.04	0.86 ± 0.01
Branch stem	0.41 ± 0.01	0.61 ± 0.02	0.45 ± 0.00	0.82 ± 0.01	1.55 ± 0.02	0.91 ± 0.02
Main stem	0.40 ± 0.01	0.54 ± 0.02	0.41 ± 0.01	0.80 ± 0.01	1.62 ± 0.01	0.94 ± 0.01
Root	0.39 ± 0.02	0.55 ± 0.03	0.41 ± 0.01	0.78 ± 0.03	1.59 ± 0.02	0.94 ± 0.03
RSD^a	0.08	0.26	0.35	0.06	0.12	0.08

^aRelative standard deviation (RSD), defined as the ratio of standard deviation to mean value for each column

ISSN: 2523-3254